Fluid concentrator



FIG. 1 is a perspective view of a fluid concentrator showing our new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a back elevation view thereof.

FIG. 4 is a left elevation view thereof.

FIG. 5 is a right elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a fluid concentrator, as shown and described. 